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Finding the Fourth Proportional to 70,573.03, 97,390.87 and 38,307.63

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Solution

The fourth proportional to 70,573.03, 97,390.87 and 38,307.63 is: 52,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,573.03 : 97,390.87 = 38,307.63 : x
  2. Step 2: Convert to fraction form
    70,573.03/97,390.87 = 38,307.63/x
  3. Step 3: Cross multiply
    70,573.03x = 97,390.87 × 38,307.63
  4. Step 4: Simplify right side
    70,573.03x = 3,730,813,399.62
  5. Step 5: Solve for x
    x = 3,730,813,399.62/70,573.03
  6. Step 6: Final answer
    x = 52,864.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.